DEWALT DW432 8 Amp 3-Inch by 21-Inch Belt Sander with Dust Canister Powerful 8.0 Amp motor aggressively removes material in a variety of applications All-metal housing increases durability during a drop Three wheel design delivers lowest center of gravity and longest 3-inch X 21-inch platen available Innovative dust collection system is 20% more efficient than conventional dust bags Dust collection shut-off valve eliminates dust stream toward user when collector is not in use; Two position front handle increases user comfort